diff --git a/bitbake/lib/toaster/orm/models.py b/bitbake/lib/toaster/orm/models.py
index 7e0cf9676a..b7975ef865 100644
--- a/bitbake/lib/toaster/orm/models.py
+++ b/bitbake/lib/toaster/orm/models.py
@@ -29,6 +29,9 @@ from django.core import validators
 from django.conf import settings
 import django.db.models.signals
 
+import os.path
+import re
+
 import logging
 logger = logging.getLogger("toaster")
 
@@ -234,6 +237,14 @@ class Project(models.Model):
         except (Build.DoesNotExist,IndexError):
             return( "not_found" )
 
+    def get_last_build_extensions(self):
+        """
+        Get list of file name extensions for images produced by the most
+        recent build
+        """
+        last_build = Build.objects.get(pk = self.get_last_build_id())
+        return last_build.get_image_file_extensions()
+
     def get_last_imgfiles(self):
         build_id = self.get_last_build_id
         if (-1 == build_id):
@@ -376,6 +387,57 @@ class Build(models.Model):
             eta += ((eta - self.started_on)*(100-completeper))/completeper
         return eta
 
+    def get_image_file_extensions(self):
+        """
+        Get list of file name extensions for images produced by this build
+        """
+        targets = Target.objects.filter(build_id = self.id)
+        extensions = []
+
+        # pattern to match against file path for building extension string
+        pattern = re.compile('\.([^\.]+?)$')
+
+        for target in targets:
+            if (not target.is_image):
+                continue
+
+            target_image_files = Target_Image_File.objects.filter(target_id = target.id)
+
+            for target_image_file in target_image_files:
+                file_name = os.path.basename(target_image_file.file_name)
+                suffix = ''
+
+                continue_matching = True
+
+                # incrementally extract the suffix from the file path,
+                # checking it against the list of valid suffixes at each
+                # step; if the path is stripped of all potential suffix
+                # parts without matching a valid suffix, this returns all
+                # characters after the first '.' in the file name
+                while continue_matching:
+                    matches = pattern.search(file_name)
+
+                    if None == matches:
+                        continue_matching = False
+                        suffix = re.sub('^\.', '', suffix)
+                        continue
+                    else:
+                        suffix = matches.group(1) + suffix
+
+                    if suffix in Target_Image_File.SUFFIXES:
+                        continue_matching = False
+                        continue
+                    else:
+                        # reduce the file name and try to find the next
+                        # segment from the path which might be part
+                        # of the suffix
+                        file_name = re.sub('.' + matches.group(1), '', file_name)
+                        suffix = '.' + suffix
+
+                if not suffix in extensions:
+                    extensions.append(suffix)
+
+        return ', '.join(extensions)
 
     def get_sorted_target_list(self):
         tgts = Target.objects.filter(build_id = self.id).order_by( 'target' );
@@ -418,7 +480,7 @@ class Build(models.Model):
             return self.get_outcome_text()
 
     def __str__(self):
-        return "%s %s %s" % (self.id, self.project, ",".join([t.target for t in self.target_set.all()]))
+        return "%d %s %s" % (self.id, self.project, ",".join([t.target for t in self.target_set.all()]))
 
 
 # an Artifact is anything that results from a Build, and may be of interest to the user, and is not stored elsewhere
@@ -609,7 +671,7 @@ class Task(models.Model):
     sstate_text  = property(get_sstate_text)
 
     def __unicode__(self):
-        return "%s(%s) %s:%s" % (self.pk, self.build.pk, self.recipe.name, self.task_name)
+        return "%d(%d) %s:%s" % (self.pk, self.build.pk, self.recipe.name, self.task_name)
 
     class Meta:
         ordering = ('order', 'recipe' ,)
@@ -1265,7 +1327,7 @@ class Layer_Version(models.Model):
         return sorted(result, key=lambda x: x.layer.name)
 
     def __unicode__(self):
-        return "%s %s (VCS %s, Project %s)" % (self.pk, str(self.layer), self.get_vcs_reference(), self.build.project if self.build is not None else "No project")
+        return "%d %s (VCS %s, Project %s)" % (self.pk, str(self.layer), self.get_vcs_reference(), self.build.project if self.build is not None else "No project")
 
     class Meta:
         unique_together = ("layer_source", "up_id")
diff --git a/bitbake/lib/toaster/toastergui/tables.py b/bitbake/lib/toaster/toastergui/tables.py
index e5cab48c48..cc9b5aef40 100644
--- a/bitbake/lib/toaster/toastergui/tables.py
+++ b/bitbake/lib/toaster/toastergui/tables.py
@@ -661,7 +661,7 @@ class ProjectsTable(ToasterTable):
 
         self.queryset = queryset
 
-    # columns: last activity on (updated) - DEFAULT, project (name), release, machine, number of builds, last build outcome, recipe (name), errors, warnings, image files
+    # columns: last activity on (updated) - DEFAULT, project (name), release, machine, number of builds, last build outcome, recipe (name),  errors, warnings, image files
     def setup_columns(self, *args, **kwargs):
         name_template = '''
         {% load project_url_tag %}
@@ -767,10 +767,9 @@ class ProjectsTable(ToasterTable):
         '''
 
         image_files_template = '''
-        {% load projecttags %}
         {% if data.get_number_of_builds > 0 and data.get_last_outcome == extra.Build.SUCCEEDED %}
           <a href="{% url "builddashboard" data.get_last_build_id %}#images">
-            {{fstypes | get_dict_value:data.id}}
+            {{data.get_last_build_extensions}}
           </a>
         {% endif %}
         '''
@@ -848,7 +847,8 @@ class ProjectsTable(ToasterTable):
                         static_data_template=warnings_template)
 
         self.add_column(title='Image files',
-                        help_text='',
+                        help_text='The root file system types produced by \
+                                   the last project build',
                         hideable=True,
                         orderable=False,
                         static_data_name='image_files',
diff --git a/bitbake/lib/toaster/toastergui/views.py b/bitbake/lib/toaster/toastergui/views.py
index 4cd7afde7c..8148623a8b 100755
--- a/bitbake/lib/toaster/toastergui/views.py
+++ b/bitbake/lib/toaster/toastergui/views.py
@@ -2008,23 +2008,10 @@ if True:
         context_date,today_begin,yesterday_begin = _add_daterange_context(queryset_all, request, {'started_on','completed_on'})
 
         # set up list of fstypes for each build
-        fstypes_map = {};
+        fstypes_map = {}
+
         for build in build_info:
-            targets = Target.objects.filter( build_id = build.id )
-            comma = "";
-            extensions = "";
-            for t in targets:
-                if ( not t.is_image ):
-                    continue
-                tif = Target_Image_File.objects.filter( target_id = t.id )
-                for i in tif:
-                    s=re.sub('.*tar.bz2', 'tar.bz2', i.file_name)
-                    if s == i.file_name:
-                        s=re.sub('.*\.', '', i.file_name)
-                    if None == re.search(s,extensions):
-                        extensions += comma + s
-                        comma = ", "
-            fstypes_map[build.id]=extensions
+            fstypes_map[build.id] = build.get_image_file_extensions()
 
         # send the data to the template
         context = {
@@ -3047,24 +3034,7 @@ if True:
         # translate the project's build target strings
         fstypes_map = {};
         for project in project_info:
-            try:
-                targets = Target.objects.filter( build_id = project.get_last_build_id() )
-                comma = "";
-                extensions = "";
-                for t in targets:
-                    if ( not t.is_image ):
-                        continue
-                    tif = Target_Image_File.objects.filter( target_id = t.id )
-                    for i in tif:
-                        s=re.sub('.*tar.bz2', 'tar.bz2', i.file_name)
-                        if s == i.file_name:
-                            s=re.sub('.*\.', '', i.file_name)
-                        if None == re.search(s,extensions):
-                            extensions += comma + s
-                            comma = ", "
-                fstypes_map[project.id]=extensions
-            except (Target.DoesNotExist,IndexError):
-                fstypes_map[project.id]=project.get_last_imgfiles
+            fstypes_map[project.id] = project.get_last_build_extensions()
 
         context = {
                 'mru' : build_mru,